how to plot two graphs using a matlab?

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Carc
Carc 2023-1-16
回答： Voss 2023-1-17
I am trying to plot lots of data in one figure, but I can't plot my last one(wattdis).
The plot for equation 'wattdis' can not be plotted in my figure. Could you point out what errors I have in my code?
data = readtable('dataform');
x1 = data.incidentenergy1;
x2 = data.incidentenergy2;
U238_MT102 = data.U238_MT102 * 516.79*10^-6;
U238_MT18 = data.U238_MT18 * 516.79*10^-6;
U238_MT2 = data.U238_MT2 * 516.79*10^-6;
C12_MT2 = data.C12_MT2 * 8.216*10^-2;
U235_MT18 = data.U235_MT18 * 3.799 * 10^-6;
U235_MT102 = data.U235_MT102 * 3.799 * 10^-6;
maxwell = (2 .* pi / (pi .* 0.026/10.^6).^3/2) .* (x1.^1/2) .* exp(-x1/(0.026/10.^6));
wattdis = 0.4865 .* (x1.^1/2) .* ((2.* x1).^1/2) .* exp(-x1); %% Watt distribution
loglog(x1,U238_MT102);
grid on
hold on
loglog(x1,U238_MT18)
loglog(x1,U238_MT2)
loglog(x2,C12_MT2)
loglog(x2,U235_MT18)
loglog(x2,U235_MT102)
title('cross section')
xlabel('Incident energy(MeV)')
ylabel('Macroscopic cross sectiob(b)')
legend('U238 MT=102','U238 MT=18','U238 MT=2','C12 MT=2','U235 MT=18','U235 MT=102')
yyaxis right;
semilogx(x1, maxwell)
yyaxis left;
semilog(x1, wattdis) %% I cannot plot this one.
holf off

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回答（1 个）

Voss
Voss 2023-1-17
semilog should be semilogx, and holf should be hold
% semilog(x1, wattdis) %% I cannot plot this one.
semilogx(x1, wattdis)
% holf off
hold off

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